Name :
Score :
Teacher :
Date :
Working with the Discriminant
Find the value of the discriminant for each equation.
2
1)
m = -4m - 4
3)
4y = -4y - 1
2
2
2)
4b = -8b - 13
4)
s = 15s + 16
2
Find the discriminant and state the number of real or imaginary solutions.
2
6)
y = 8y - 7
2
8)
-4x = 10x + 9
5)
g = 4g + 10
7)
g = -26g + 11
2
2
Find the discriminant and state the number of irrational, rational, and imaginary solutions
9)
11)
2
10)
d = -3d + 10
2
12)
z = 10z - 14
2n = 8n + 10
2y = 2y - 11
2
2
Math-Aids.Com
Name :
Score :
Teacher :
Date :
Working with the Discriminant
Find the value of the discriminant for each equation.
2
1) m = -4m - 4
2
2) 4b = -8b - 13
0
2
3) 4y = -4y - 1
-144
2
4) s = 15s + 16
0
289
Find the discriminant and state the number of real or imaginary solutions.
2
5) g = 4g + 10
2
6) y = 8y - 7
56 ; 2 real roots
2
7) g = -26g + 11
36 ; 2 real roots
2
8) -4x = 10x + 9
720 ; 2 real roots
-44 ; 2 imaginary roots
Find the discriminant and state the number of irrational, rational, and imaginary solutions
2
9) 2n = 8n + 10
2
10) d = -3d + 10
144 ; 2 rational roots
2
11) 2y = 2y - 11
-84 ; 2 imaginary roots
49 ; 2 rational roots
2
12) z = 10z - 14
44 ; 2 irrational roots
Math-Aids.Com